// ---------- begin scannner ----------
#[allow(dead_code)]
mod scanner {
    use std::str::FromStr;
    pub struct Scanner<'a> {
        it: std::str::SplitWhitespace<'a>,
    }
    impl<'a> Scanner<'a> {
        pub fn new(s: &'a String) -> Scanner<'a> {
            Scanner {
                it: s.split_whitespace(),
            }
        }
        pub fn next<T: FromStr>(&mut self) -> T {
            self.it.next().unwrap().parse::<T>().ok().unwrap()
        }
        pub fn next_bytes(&mut self) -> Vec<u8> {
            self.it.next().unwrap().bytes().collect()
        }
        pub fn next_chars(&mut self) -> Vec<char> {
            self.it.next().unwrap().chars().collect()
        }
        pub fn next_vec<T: FromStr>(&mut self, len: usize) -> Vec<T> {
            (0..len).map(|_| self.next()).collect()
        }
    }
}
// ---------- end scannner ----------

use std::io::Write;
use std::collections::*;

type Map<K, V> = BTreeMap<K, V>;
type Set<T> = BTreeSet<T>;
type Deque<T> = VecDeque<T>;

fn main() {
    use std::io::Read;
    let mut s = String::new();
    std::io::stdin().read_to_string(&mut s).unwrap();
    let mut sc = scanner::Scanner::new(&s);
    let out = std::io::stdout();
    let mut out = std::io::BufWriter::new(out.lock());
    run(&mut sc, &mut out);
}

fn run<W: Write>(sc: &mut scanner::Scanner, out: &mut std::io::BufWriter<W>) {
    let n: usize = sc.next();
    let m: usize = sc.next();
    let w = std::mem::size_of::<usize>() * 8;
    let len = (n + w - 1) / w;
    let mut mat = vec![];
    mat.push(vec![0usize; len]);
    let mut b = vec![!0usize; len];
    if len * w != n {
        b[len - 1] &= (1 << (n % w)) - 1;
    }
    mat.push(b);
    for _ in 0..m {
        let l = sc.next::<usize>();
        let mut a = vec![0usize; len];
        for _ in 0..l {
            let x = sc.next::<usize>() - 1;
            a[x / w] |= 1 << (x % w);
        }
        let mut b = a.iter().map(|a| !*a).collect::<Vec<_>>();
        if len * w != n {
            b[len - 1] &= (1 << (n % w)) - 1;
        }
        mat.push(a);
        mat.push(b);
    }
    let mut a = mat;
    let mut ans = 1;
    while let Some(x) = a.iter().position(|a| a.iter().any(|a| *a > 0)) {
        let b = a.remove(x);
        let k = (0..n).find(|x| b[x / w] >> (x % w) & 1 == 1).unwrap();
        for a in a.iter_mut() {
            if a[k / w] >> (k % w) & 1 == 1 {
                for (a, b) in a.iter_mut().zip(b.iter()) {
                    *a ^= *b;
                }
            }
        }
        ans = 2 * ans % 998244353;
    }
    println!("{}", ans);
}